In a series of three tweets, Marlene shared lines from thePLL have kept fans guessing about the nature of their relationship for years. They've been friends and collaborators, and they evenreportedly journey with fans and followers, so her own foray into the world makes sense. Most recently, Kim officially landed her on theForbesbillionaire listthanks partly to these ventures.Instagram contentView on InstagramWhen orif People on Wall Street aren’t crazy about the idea, either — at least, that’s what three big-time investorstoldBusiness Insider